JP2023133604A - System for closed transfer of fluids and membrane arrangements for use thereof - Google Patents

Abstract

To provide a syringe adapter preventing drags from being released into the atmosphere while a needle is inside a vial and also provide a system for closed transfer of fluids.SOLUTION: A syringe adapter 210 is provided, comprising: a housing; a cannula; a collet 212; and at least one button 214 provided on at least one of the housing 210 and the collet 212. The collet 212 comprises a locking member and a membrane. The collet 212 is movable from a first position where the locking member is open to receive a mating connector 14 to a second position where radially outward movement of the locking member is restricted and pressing the at least one button 214 disengages the mating connector 14 from the collet.SELECTED DRAWING: Figure 49A

Description

TECHNICAL FIELD This disclosure relates generally to systems for sealed transfer of fluids. More specifically, the present disclosure relates to systems that provide leak-tight sealing during fluid transfer from a first container to a second container, and membrane constructions for use with such systems.

Healthcare providers who reconstitute, transport, and administer hazardous drugs, such as cancer drugs, can put themselves at risk of exposure to these drugs and, in a healthcare setting, may pose significant risks. may cause. For example, nurses who treat cancer patients risk exposure to chemotherapy drugs and their toxic effects. Unintentional chemotherapy exposure can affect the nervous system, damage the reproductive system, and increase the risk of developing blood cancer in the future. To reduce the risk of health care providers being exposed to toxic drugs, sealed transport of these drugs becomes important.

Some drugs must be dissolved or diluted before they are administered, which involves transferring the solvent by needle from one container to a sealed vial containing the drug in powder or liquid form. need to be transported. During withdrawal of the needle from the vial, and while the needle is inside the vial, if a pressure difference exists between the inside of the vial and the surrounding atmosphere, the drug may be present in the form of a gas or as an aerosol. may be inadvertently released into the atmosphere.

In one aspect, a syringe adapter includes a housing having a first end and a second end, the first end being configured to be secured to a first container. a cannula having a first end and a second end, the second end of the cannula being positioned within the housing; and a collet having an end. At least a portion of the collet is received within the housing. The collet includes a body defining a passageway, a membrane received by the passageway, and a locking member connected to the body of the collet. The membrane has a body with a first end and a second end. The body of the membrane defines a passageway. The collet is movable from a first position to a second position, in the first position the locking member is open to receive the mating connector, and in the second position the locking member is open to receive the mating connector. Radial outward movement is restricted.

The membrane passageway may extend from a first end of the membrane body toward a second end of the membrane body. The passageway can terminate at a location intermediate the first and second ends of the body of the membrane. The membrane can include a first head portion and a second head portion. A first head portion of the membrane may be positioned within the passageway of the collet and a second head portion may be engaged to an end of the body of the collet. The first head portion may include a frustoconically shaped surface and the second head portion may include a convex surface. The first end of the collet defines a counterbore, and the first head portion of the membrane engages the collet and is positioned within the counterbore. At least a portion of at least one of the cannula and the membrane can include a lubricant, the lubricant configured to reduce friction between the cannula and the membrane.

In a further aspect, a system for sealed transfer of a fluid includes a syringe adapter, the syringe adapter being a housing having a first end and a second end, the first end comprising: A cannula having a housing and a first end and a second end configured to be secured to the first container, the second end being positioned within the housing. and a collet having a first end and a second end. At least a portion of the collet is received within the housing. The collet includes a body defining a passageway, a first membrane, and a locking member connected to the body. The first membrane includes a body having a first end and a second end, and the first membrane body defines a passageway. The collet is movable from a first position to a second position, in the first position the locking member is open to receive the mating connector, and in the second position the locking member is open to receive the mating connector. Radial outward movement is restricted. The system further includes a second component including a second membrane and a collet interface surface configured to receive and engage a locking member of the collet.

The second membrane can include a body having a first end and a second end, the first end of the body of the second membrane having a convex surface. and the convex surface is configured to engage the second end of the first membrane. The second component can include a membrane seat that receives a second membrane.

In a further aspect of the invention, the syringe adapter is a housing having a first end and a second end, the first end configured to be secured to the first container. , a cannula having a housing and a first end and a second end, the second end of the cannula being positioned within the housing; a collet having two ends, at least a portion of the collet being received within a housing. The collet includes a body defining a passageway, a membrane received by the passageway, and a locking member connected to the body of the collet. The membrane includes a body portion having a first end and a second end, and the body portion of the membrane includes a first head portion and a second head portion. A first head portion and a second head portion extend radially outwardly from the body. The first head portion of the membrane includes a frustoconically shaped surface and the second head portion of the membrane includes a convex surface. The collet is movable from a first position to a second position, in the first position the locking member is open to receive the mating connector, and in the second position the locking member is open to receive the mating connector. Radial outward movement is restricted.

The membrane body can define a passage extending from a first end of the membrane body toward a second end of the membrane body.

The passageway can terminate at a location intermediate the first and second ends of the body of the membrane.

The above features and advantages of the disclosure, as well as other features and advantages, and the manner in which they are obtained, will become more apparent by reference to the following description of aspects of the disclosure in conjunction with the accompanying drawings. As a result, the present disclosure itself will be better understood.

FIG. 1 is a perspective view of a system according to one aspect of the invention. FIG. 2 is an exploded perspective view of the syringe adapter of the system of FIG. 1 in accordance with one aspect of the invention. 3 is a front view of the syringe adapter of FIG. 2, according to one aspect of the invention. FIG. 3 is a left side view of the syringe adapter of FIG. 2, according to one aspect of the invention. FIG. 3 is a rear view of the syringe adapter of FIG. 2, according to one aspect of the invention. FIG. 3 is a top view of the syringe adapter of FIG. 2, according to one aspect of the invention. FIG. 3 is a bottom view of the syringe adapter of FIG. 2, according to one aspect of the invention. FIG. 4 is a cross-sectional view of the syringe adapter taken along line 8-8 in FIG. 3, according to one aspect of the invention. FIG. FIG. 3 is a perspective view of the collet of the syringe adapter of FIG. 2, according to one aspect of the invention. FIG. 3 is a front view of the collet of FIG. 2, in accordance with one aspect of the invention. 11 is a cross-sectional view of the collet taken along line 11-11 in FIG. 10, according to one aspect of the invention. FIG. 2 is a perspective view of a patient connector of the system shown in FIG. 1, in accordance with one aspect of the invention; FIG. 13 is a front view of the patient connector of FIG. 12, according to one aspect of the invention. FIG. 13 is a bottom view of the patient connector of FIG. 12, according to one aspect of the invention. FIG. 13 is a top view of the patient connector of FIG. 12, in accordance with one aspect of the present invention. FIG. 16 is a cross-sectional view of the patient connector taken along line 16-16 in FIG. 15, according to one aspect of the invention. FIG. 2 is a rear view of the system of FIG. 1 illustrating a first stage of securing a syringe adapter to a patient connector in accordance with one aspect of the invention; FIG. 18 is a cross-sectional view of the system taken along line 18-18 in FIG. 17, according to one aspect of the invention. FIG. 2 is a rear view of the system of FIG. 1 illustrating a second stage of securing a syringe adapter to a patient connector in accordance with one aspect of the invention; FIG. 20 is a cross-sectional view of the system taken along line 20-20 in FIG. 19, according to one aspect of the invention. FIG. 2 is a rear view of the system of FIG. 1 illustrating a third stage of securing a syringe adapter to a patient connector in accordance with one aspect of the invention; FIG. 22 is a cross-sectional view of the system taken along line 22-22 in FIG. 21, according to one aspect of the invention. FIG. 2 is a rear view of the system of FIG. 1 illustrating a fourth stage of securing the syringe adapter to the patient connector, according to one aspect of the invention. FIG. 24 is a cross-sectional view of the system taken along line 24-24 in FIG. 23, according to one aspect of the invention. FIG. 2 is a rear view of the system of FIG. 1 illustrating the final stage of securing the syringe adapter to the patient connector in accordance with one aspect of the invention; FIG. 26 is a cross-sectional view of the system taken along line 26-26 in FIG. 25, according to one aspect of the invention. FIG. Figure 3 is a perspective view of a system according to a second aspect of the invention. FIG. 28 is an exploded perspective view of the system of FIG. 27, in accordance with one aspect of the invention. 28 is a rear view of the system of FIG. 27, according to one aspect of the invention. FIG. 30 is a cross-sectional view of the system taken along line 30-30 in FIG. 29, according to one aspect of the invention. FIG. Figure 3 is a perspective view of a system according to a third aspect of the invention; 32 is an exploded perspective view of the system of FIG. 31, in accordance with one aspect of the present invention. FIG. 32 is a rear view of the system of FIG. 31, in accordance with one aspect of the invention. FIG. 34 is a cross-sectional view of the system taken along line 34-34 in FIG. 33, according to one aspect of the invention. FIG. Figure 3 is a perspective view of a system according to a fourth aspect of the invention; 36 is an exploded perspective view of the system of FIG. 35, in accordance with one aspect of the present invention. FIG. 36 is a rear view of the system of FIG. 35, in accordance with one aspect of the present invention. FIG. 38 is a cross-sectional view of the system taken along line 38-38 in FIG. 37, according to one aspect of the invention. FIG. Figure 3 is a perspective view of a system according to a fifth aspect of the invention; FIG. 40 is an exploded perspective view of the system of FIG. 39, in accordance with one aspect of the invention. 40 is a front view of the system of FIG. 39, in accordance with one aspect of the invention; FIG. 42 is a cross-sectional view of the system taken along line 42-42 in FIG. 41, according to one aspect of the invention. FIG. FIG. 7 is a perspective view of a syringe adapter according to yet another aspect of the invention. 43A is a cross-sectional view of the syringe adapter of FIG. 43A, according to one aspect of the invention. FIG. 43A is a cross-sectional view of a patient connector for use in conjunction with the syringe adapter of FIG. 43A, according to one aspect of the invention. FIG. FIG. 3 is a perspective view of a collet according to a further aspect of the invention. FIG. 3 is a perspective view of a collet according to a further aspect of the invention. FIG. 3 is a perspective view of a collet according to a further aspect of the invention. FIG. 3 is a perspective view of a collet according to a further aspect of the invention. FIG. 3 is a perspective view of a collet according to a further aspect of the invention. FIG. 3 is a perspective view of a collet according to a further aspect of the invention. FIG. 3 is a cross-sectional view of a system according to another aspect of the invention. FIG. 3 is a cross-sectional view of a system according to yet another aspect of the invention. FIG. 6 is a perspective view of a system according to a further aspect of the invention, showing the syringe adapter being disconnected from the patient connector. FIG. 48B is a perspective view of the system of FIG. 48A showing a syringe adapter connected to a patient connector, according to another aspect of the invention. 48A is a cross-sectional view taken along line 49A-49A in FIG. 48A, according to one aspect of the invention. FIG. 48B is a cross-sectional view taken along line 49B-49B in FIG. 48B, according to one aspect of the invention. FIG. FIG. 6 is a perspective view of a system according to a further aspect of the invention, showing the syringe adapter being disconnected from the patient connector. 50A is a perspective view of the system of FIG. 50A showing a syringe adapter connected to a patient connector, according to another aspect of the invention. FIG. 50A is a cross-sectional view taken along line 51A-51A in FIG. 50A, according to one aspect of the invention. FIG. 50B is a cross-sectional view taken along line 51B-51B in FIG. 50B, according to one aspect of the invention. FIG. FIG. 7 is a cross-sectional view of a syringe adapter according to another aspect of the invention. FIG. 6 is a cross-sectional view of a syringe adapter according to a further aspect of the invention. FIG. 7 is a cross-sectional view of a syringe adapter according to yet another aspect of the invention. FIG. 3 is a cross-sectional view of a first membrane according to various aspects of the invention. FIG. 3 is a cross-sectional view of a first membrane according to various aspects of the invention. FIG. 3 is a cross-sectional view of a first membrane according to various aspects of the invention. FIG. 3 is a cross-sectional view of a first membrane according to various aspects of the invention. FIG. 3 is a cross-sectional view of a first membrane according to various aspects of the invention. FIG. 3 is a cross-sectional view of a first membrane according to various aspects of the invention. FIG. 3 is a cross-sectional view of a first membrane according to various aspects of the invention. FIG. 4 is a cross-sectional view of a second membrane according to various aspects of the invention. FIG. 4 is a cross-sectional view of a second membrane according to various aspects of the invention. FIG. 4 is a cross-sectional view of a second membrane according to various aspects of the invention. FIG. 4 is a cross-sectional view of a second membrane according to various aspects of the invention. FIG. 4 is a cross-sectional view of a second membrane according to various aspects of the invention. FIG. 4 is a cross-sectional view of a second membrane according to various aspects of the invention. FIG. 3 is a perspective view of the syringe adapter of FIG. 2 showing the syringe adapter connected to a vial and vial adapter, according to an aspect of the invention. FIG. 3 is an exploded perspective view of the syringe adapter of FIG. 2 showing the syringe adapter along with a vial and vial adapter in accordance with one aspect of the invention. FIG. 3 is a front view of the syringe adapter of FIG. 2 showing the syringe adapter connected to a vial and vial adapter, according to one aspect of the invention. FIG. 60 is a cross-sectional view taken along line 60-60 in FIG. 59 showing a vial and a syringe adapter connected to the vial adapter, according to one aspect of the invention. 1 is a perspective view of an IV bag adapter according to one aspect of the invention. FIG. 62 is a cross-sectional view of the IV bag adapter of FIG. 61 in accordance with one aspect of the present invention. FIG.

Corresponding reference characters indicate corresponding parts throughout the several figures. The examples set forth herein are illustrative of example aspects of the disclosure, and such illustrations should not be construed as limiting the scope of the disclosure in any way. .

The following description is provided to enable any person skilled in the art to make and use the described embodiments, which are contemplated for practicing the invention. However, various modifications, equivalents, modifications, and alternatives will still be readily apparent to those skilled in the art. Any and all such modifications, variations, equivalents, and alternatives are intended to be within the spirit and scope of the invention.

For purposes of the following description, "top", "bottom", "right", "left", "vertical", "horizontal", "top", "bottom", "lateral", " The term "longitudinal" and its derivatives shall relate to the invention as it is oriented in the drawings. However, it is to be understood that, except where expressly specified to the contrary, this invention is capable of taking various alternative forms. It is also to be understood that the specific devices illustrated in the accompanying drawings and described in the following specification are merely exemplary embodiments of the invention. Accordingly, the specific dimensions and other physical characteristics associated with the embodiments disclosed herein are not to be considered limiting.

Referring to FIG. 1, one embodiment of a system 10 for sealed transfer of fluids includes a syringe adapter 12 and a patient connector 14. System 10 operates during the transfer of fluid from a first container (not shown), such as a vial, to a second container (not shown), such as a syringe, IV bag, or patient IV line. provides a virtually leak-tight seal. The leak-tight seal of system 10 substantially prevents both air and liquid leakage during use of system 10. Although not shown, system 10 is typically included in closed system transfer devices such as vial adapters, pressure equalization devices, or IV bag adapters, as well as infusion lines and extension sets, and the like. It is possible to further include other components that may be utilized.

2-14, one embodiment of the syringe adapter 12 includes a housing 16 having a first end 18 and a second end 20 and defining an interior space 22. It is defined. The first end 18 of the housing 16 of the syringe adapter 12 includes a syringe attachment 24, such as a female Luer connector, defining a passageway 26. Although a female Luer connector is shown for connection with a corresponding male Luer connector (not shown) on a syringe, other suitable connection constructs may be used to connect the syringe, container, or any other It can be used for connection to medical devices. Syringe attachment 24 is secured to first end 18 of housing 16 via a threaded connection, although any other suitable connection may be utilized. A cannula 28 having a distal end 30 is secured to the syringe attachment 24 and is in fluid communication with the passageway 26 of the syringe attachment 24 . Syringe adapter 12 further includes a seal arrangement positioned within housing 16 of syringe adapter 12 . The seal arrangement includes a collet 32 that receives a first membrane 34. Collet 32 is configured to move within interior space 22 of housing 16 of syringe adapter 12, as discussed in more detail below. Housing 16 of syringe adapter 12 can include structure to enhance gripping of syringe adapter 12 by a user. Additional or alternative gripping structures and surfaces may be provided to assist the user in grasping the body of the syringe adapter 12.

Referring to FIGS. 2-8, the syringe adapter 12 includes a first connection interface 36 positioned intermediate the first and second ends 18, 20 of the housing 16 of the syringe adapter 12; Connection interface 36 includes a locking member 38 that is received within a transverse opening 40 in housing 16 of syringe adapter 12 . Locking member 38 is configured to move between a closed position and an open position. Locking member 38 defines a central opening 42 and also includes a button 44 that is configured to be engaged by the hand of a user or operator of syringe adapter 12 . Locking member 38 further includes a cantilever spring 46 that extends in the longitudinal direction of syringe adapter 12 . Locking member 38 is configured to engage a cam surface that extends radially outwardly from housing 16 of syringe adapter 12 . In particular, the locking member 38 is configured to be provided in a closed position, in which the locking member adjacent the central opening 42 of the locking member 38 when no external force is applied to the locking member 38 A portion of 38 is positioned within interior space 22 of syringe adapter 12 . When the locking member 38 is moved to the open position, in which the central opening 42 of the locking member 38 is aligned with the interior space 22 of the syringe adapter 12 or an object inserted into the interior space 22. The cantilever spring 46 engages the cam surface and creates a biasing force that urges the locking member 38 back toward the closed position. Therefore, when the locking member 38 is moving to the open position, the locking member 38 will be urged to return to the closed position when the external force acting on the locking member 38 is released. Although locking member 38 is shown with cantilever spring 46, any other suitable biasing member may be provided including, but not limited to, compression springs, tension springs, elastomeric materials, and the like.

Referring to FIG. 2, locking member 38 further includes a pair of protrusions 48 extending radially outwardly from locking member 38. Referring to FIG. The pair of protrusions 48 are configured to engage corresponding protrusions provided on the housing 16 of the syringe adapter 12 to retain the locking member 38 relative to the housing 16 of the syringe adapter 12. . In other words, the protrusion 48 of the locking member 38 engages the protrusion of the housing 16 of the syringe adapter 12 and the locking member 38 is disengaged and removed from the transverse opening 40 of the housing 16 of the syringe adapter 12. It is configured to prevent this.

8-11, collet 32 has a body portion 52 with a first end 54 and a second end 56. Referring to FIGS. Body portion 52 defines a passageway 58 extending therethrough. Body portion 52 is generally cylindrical in shape, although collets of other suitable shapes may be utilized. Collet 32 further includes a locking member 60 connected to body portion 52 of collet 32 . As discussed in more detail below, the collet 32 is movable from a first position to a second position in which the locking member 60 is attached to a mating member such as a patient connector 14. It is open to receive a mating connector (shown in FIG. 18) and in the second position radially outward movement of the locking member 60 is restricted. The locking member 60 is connected to the main body portion 52 via a plurality of arms 62. Locking member 60 is arcuate and resilient as a result of its connection to body portion 52 via a plurality of arms 62 . More specifically, the plurality of arms 62 are flexible and allow locking member 60 to expand radially outwardly or radially inwardly. In one aspect, locking member 60 expands radially outward when a mating connector, such as patient connector 14, is inserted into locking member 60, after which collet 32 and is configured to move radially inward as it transitions from the position to the second position. Alternatively, locking member 60 may not move radially inwardly or outwardly when a mating connector, such as patient connector 14, is inserted into locking member 60; As the collet 32 transitions from the first position to the second position, it is possible to move radially inward. The second end 20 of the housing 16 of the syringe adapter 12 defines an annular recess 64 adjacent the interior space 22, the annular recess 64 having a Receive locking member 60. An annular recess 64 in housing 16 provides space for locking member 60 to expand radially outward. As collet 32 transitions from the first position to the second position, locking member 60 is biased radially inward due to engagement of locking member 60 with housing 16 of syringe adapter 12. In this state, collet 32 moves axially toward first end 18 of syringe adapter 12 .

As shown in FIG. 9, locking member 60 of collet 32 defines a pair of openings 66 that extend in a direction perpendicular to the longitudinal axis of collet 32. There is. The opening 66 bifurcates the locking member 60 into two arcuate portions, which are each connected to the body portion 52 of the collet 32 by two arms 62 . However, other suitable arrangements and shapes for collet 32 and locking member 60 may be utilized, as discussed in more detail below. The locking member 60 of the collet 32 projects radially inwardly and radially outwardly with respect to the plurality of arms 62 .

Referring again to FIGS. 8-11, the body portion 52 of the collet 32 includes a second connection interface 70 that mates and locks into the first connection interface 36 of the syringe adapter 12. is configured to do so. Second connection interface 70 is defined by body portion 52 of collet 32 and, more specifically, by locking surface 72 . Second connection interface 70 further includes a retraction surface defined by first end 54 of collet 32 . The retraction surface of the second connection interface 70 defines a rounded transition between the body portion 52 of the collet 32 and the retraction surface. Locking surface 72 is a ring-shaped recess that is recessed relative to body portion 52 of collet 32 and configured to receive locking member 38 of first connection interface 36 . There is. Although locking surface 72 is defined by a 90 degree angle, other suitable shapes and angles may be utilized. The first end 54 of the collet 32 is received within the interior space 22 of the syringe adapter 12 when the locking member 38 of the first connection interface 36 is in the open position and when the locking member 38 is in the closed position. It is configured to be restricted from moving into the interior space 22 of the syringe adapter 12. The retraction surface of the second connection interface 70 is configured to engage the locking member 38 of the first connection interface 36 to further move the locking member 38 and further bias the cantilever spring 46 . When the second connection interface 70 is fully engaged with the first connection interface 36 , the locking member 38 of the first connection interface 36 is in the closed position and received within the locking surface 72 . and is configured to lock the first connection interface 36 from longitudinal and transverse movement relative to the second connection interface 70, but still allow rotational movement thereto.

2 and 8, first membrane 34 includes a body portion 82 having a first end 84 and a second end 86. Referring to FIGS. First end 84 and second end 86 of body portion 82 of first membrane 34 include a first head portion 88 and a second head portion 90, respectively. Body portion 82 of first membrane 34 defines a passageway 92 extending from first end 84 to second end 86 of body portion 82 . Passageway 92 terminates at a location intermediate the first and second ends 84 , 86 of body portion 82 . As shown in FIG. 8, the body portion 82 of the first membrane 34 is received by the passageway 58 of the collet 32 and is secured to the collet 32. A first head portion 88 of first membrane 34 engages a counterbore portion of collet 32 adjacent passageway 58 of collet 32 . The second head portion 90 extends beyond the passageway 58 of the body portion 52 of the collet 32 and the second head portion 90 engages the body portion 52 of the collet 32. Although second head portion 90 defines a convex surface, other suitable membrane configurations may also be provided, as discussed in more detail below. Cannula 28 is received within passageway 92 of first membrane 34 such that distal end 30 of cannula 28 is positioned within passageway 92 when collet 32 is in the first position. There is. The distal end 30 of the cannula 28 is configured to pierce and extend through the first membrane 34 as the collet 32 transitions from the first position to the second position. It is configured. The first membrane 34 is adapted to engage and seal the intermediate portion of the cannula 28 during use of the syringe adapter 12 to maintain a sealed, leak-free connection with the patient connector 14 or mating component. It is composed of

Engagement of the first membrane 34 occurs by a corresponding membrane during use, such as a membrane from a patient connector 14, vial adapter, or IV bag spike, as discussed in more detail below. , the collet 32 is configured to move toward the first end 18 of the syringe adapter 12 and transition from the first position to the second position such that the distal end 30 of the cannula 28 , the first membrane 34 is perforated to place the syringe adapter 12 in fluid communication with a corresponding device secured to the syringe adapter 12 . When the collet 32 is returned to the first position, the first membrane 34 may be released from the corresponding membrane, thereby freeing the distal end 30 of the cannula 28 from the collet 32 and first membrane 34. Positioned within passageways 58,92. Such an arrangement shields the distal end 30 of the cannula 28 to prevent accidental needle sticks and also prevents any fluid leakage during fluid transfer when using the syringe adapter 12.

12-16, patient connector 14 includes a body portion 102 having a first end 104 and a second end 106 extending therethrough. A passageway 108 is defined. First end 104 of patient connector 14 also includes a collet interface 110. Collet interface 110 is defined by a portion of body 102 of patient connector 14 that is recessed relative to first end 104 of body 102 of patient connector 14 . The first end 104 of the main body 102 of the patient connector 14 also includes a membrane seat 112 that receives a second membrane 114 . As discussed above in connection with syringe adapter 12, second membrane 114 of patient connector 14 engages first membrane 34 of syringe adapter 12, and during fluid transfer, syringe adapter 12 configured to provide a substantially leak-free connection with the The second end 106 of the patient connector 14 includes an IV line attachment 116, such as a male Luer connector, although any other suitable connection arrangement may be utilized.

17-26, the process of mating syringe adapter 12 with patient connector 14 is shown. Although syringe adapter 12 is shown connected to patient connector 14, syringe adapter 12 may have similar construction to patient connector 14, including, but not limited to, vial adapters and IV bag adapters. You will connect similarly to other components that you have. As shown in FIGS. 17 and 18, the interior space 22 of the syringe adapter 12 is aligned with the patient connector 14. As shown in FIGS. In particular, the longitudinal axis of the syringe adapter 12 is aligned with the longitudinal axis of the patient connector 14 and the locking member 38 of the first connection interface 36 is in the closed position. As shown in FIGS. 19 and 20, patient connector 14 is moved into interior space 22 of syringe adapter 12 toward collet 32, collet 32 is provided in a first position, and Locking member 60 is open to receive patient connector 14.

21 and 22, further movement of the patient connector 14 toward the first end 18 of the syringe adapter 12 causes the first membrane 34 to engage the second membrane 114 and the patient connector 14 to move toward the first end 18 of the syringe adapter 12. such that the first end 104 of the collet 32 passes through the locking member 60 of the collet 32. As discussed above, movement of the patient connector 14 within the locking member 60 can bias the locking member 60 radially outward, or alternatively, in any radial direction of the locking member 60. The first end 104 of the patient connector 14 can be received without movement of the patient connector 14 . Due to the interference between the locking member 60 and the housing 16 of the syringe adapter 12 and the contact of the locking member 60 with the first end 104 of the patient connector 14, the collet 32 34, 114 will not be moved toward the first end 18 of the syringe adapter 12 until the locking member 60 is received within the collet interface 110 of the patient connector 14. Sufficient compression of the first and second membranes 34, 114 causes engagement of the locking member 60 with the housing 16 of the syringe adapter 12 and the collet towards the first end 18 of the syringe adapter 12. Due to continued axial movement of 32 , locking member 60 will be forced into collet interface 110 of patient connector 14 .

23 and 24, further continued movement of patient connector 14 toward first end 18 of syringe adapter 12 causes collet 32 to disengage first membrane 34 and second membrane 114. the first end 18 of the syringe adapter 12 through engagement therebetween. At this stage, collet 32 is in the second position and first end 104 of patient connector 14 is locked to collet 32 due to engagement of collet interface 110 with locking member 60 of collet 32. and will be fixed. Locking member 60 of collet 32 cannot expand radially outwardly to release patient connector 14 until collet 32 is returned to the first position. Furthermore, during continued movement at this stage, the locking member 38 of the first connection interface 36 engages the second connection interface 70 of the collet 32, which is in the closed position (as shown in FIG. 22). 24) to the open position (shown in FIG. 24).

As the locking member 38 moves from the closed position to the open position, the cantilever spring 46 will engage the camming surface of the housing 16 of the syringe adapter 12, which will cause the locking member 38 to return to the closed position. generate force. However, such movement back to the closed position is prevented by the engagement of locking member 38 with body portion 52 of collet 32. Although FIG. 24 shows an overlap between collet 32 and first connection interface 36, collet 32 does not move first connection interface 36 as described herein. Become. Similarly, the locking member 60 of the collet 32 will not overlap the housing 16 of the syringe adapter 12, but will be pushed inwardly as described herein. With the locking member 38 of the first connection interface 36 in the open position, the second connection interface 70 continues its movement within the interior space 22 of the syringe adapter 12 and connects the syringe adapter 12 to the patient connector 14. It is allowed to continue the mating process. During this step, the distal end 30 of the cannula 28 pierces the first and second membranes 34, 114 and is placed in fluid communication with the passageway 108 of the patient connector 14.

25 and 26, until the first membrane 34 abuts the syringe attachment 24 of the syringe adapter 12 and/or the second end 106 of the patient connector 14 is connected to the second end of the syringe adapter 12. Patient connector 14 and collet 32 are moved toward first end 18 of syringe adapter 12 until abutting section 20 . At this stage, the second connection interface 70 of the collet 32 has been aligned with the locking member 38 of the first connection interface 36 such that the locking member 38 is received within the second connection interface 70. ing. The locking member 38 is biased toward the closed position by a cantilever spring 46 such that when the locking member 38 reaches the second connection interface 70, the locking member 38 is free to move to the closed position. In the closed position, a portion of the locking member 38 is positioned within the interior space 22 of the syringe adapter 12.

In the position shown in FIG. 26, the first connection interface 36 is fully mated and locked with respect to the second connection interface 70. In such a position, the syringe adapter 12 is prevented from disengaging from the patient connector 14 due to the engagement between the locking member 38 of the first connection interface 36 and the second connection interface 70. . The locked engagement between the first connection interface 36 and the second connection interface 70 prevents axial and transverse movement relative to each other, while the first connection interface 36 and the second connection interface The connection interfaces 70 are free to rotate relative to each other when locked together, which advantageously eliminates entanglement of IV lines and/or rotation between components. Prevent other associated accidental release or device failure. In particular, patient connector 14 is typically attached to a patient IV line, and rotation of first connection interface 36 relative to second connection interface 70 may cause torsion of the patient IV line connected to patient connector 14. to help prevent However, first connection interface 36 and second connection interface 70 may be provided with a keyed surface configuration that prevents such relative rotation, if desired.

Referring again to FIGS. 17-26, in order to disconnect the first connection interface 36 from the second connection interface 70, the button 44 of the locking member 38 of the first connection interface 36 is engaged by the user; The locking member 38 is pushed radially inward to transition from the closed position to the open position. Patient connector 14 may then be removed from interior space 22 of syringe adapter 12 in the reverse order of the steps of connecting syringe adapter 12 to patient connector 14. When the second connection interface 70 is separated from the first connection interface 36, the locking member 38 is moved to the closed position. The patient connector 14 cannot be separated from the syringe adapter 12 until the collet 32 is returned to the first position shown in FIG. 16 annular recesses 64 , thereby allowing separation of patient connector 14 from collet 32 . Although not shown, the syringe adapter 12 is provided with one or more display structures to provide a visual, tactile, or audible display to the user during connection of the syringe adapter to a mating component. It is possible to do so.

The system 10 described above, and further aspects of the system 10 described below, may include one or more structures that reduce friction between the first membrane 34 and the cannula 28. It is possible. Such a structure can be a lubricant, which is provided on or in the first membrane 34 and/or on the cannula 28. The lubricant can be a silicone-based lubricant, although any other suitable lubricant, coating, layer, material, etc. may also be utilized. First membrane 34 and/or needle 28 may be made of a lubricating or friction-reducing material, coated with a lubricant, and/or impregnated with a lubricant. The structure that reduces friction between first membrane 34 and needle 28 can be a wet and/or dry lubrication system.

Referring to FIGS. 27-30, further embodiments of a system 140 for sealed transfer of fluids are shown. The system 140 shown in FIGS. 27-30 is similar to the system 10 shown in FIGS. 1-26 and discussed above. However, in the system 140 shown in FIGS. 27-30, the locking member 60 of the collet 32 is ring-shaped and has only one locking member 60 extending transversely to the longitudinal axis of the collet 32. An opening 142 is defined. Additionally, system 140 includes an anti-separation mechanism 144 that prevents accidental removal of the syringe from syringe adapter 12. When the collet 32 is fully displaced toward the first end 18 of the syringe adapter 12, the collet 32 engages the anti-disengagement mechanism 144, allowing the syringe attachment 24 to rotate freely. Accordingly, it is possible to substantially prevent the syringe from detaching from the syringe adapter 12. The patient connector 14 can also include a membrane sheet 146 having at least one protrusion and an upper rim portion 148 that is connected to the second membrane 114. accepts and engages a correspondingly shaped portion of the . The second membrane 114 may be secured to the membrane sheet 146 via ultrasonic welding, by swaging the sheet 146, or with an adhesive, although other suitable attachment configurations may also be utilized. obtain.

Referring to FIGS. 31-34, further embodiments of a system 152 for sealed transfer of fluids are shown. The system 152 shown in FIGS. 31-34 is similar to the system 10 shown in FIGS. 1-26 and discussed above. However, in the system 152 shown in FIGS. 31-34, the first membrane 154 is generally T-shaped with a flange portion 156 that has a corresponding seat defined by the collet 32. It is accepted among the 158.

Referring to FIGS. 35-38, further embodiments of a system 162 for sealed transfer of fluids are shown. The system 162 shown in FIGS. 35-38 is similar to the system shown in FIGS. 1-26 and discussed above. However, in the system 162 shown in FIGS. 35-38, the collet 32 receives a pair of spaced apart membranes 164, and the pair of spaced membranes 164 32, with a space defined therebetween. Pairs of membranes 164 are received by first and second membrane sheets 166, respectively.

Referring to FIGS. 39-42, further embodiments of a system 170 for sealed transfer of fluids are shown. The system 170 shown in FIGS. 39-42 is similar to the system 10 shown in FIGS. 1-26 and discussed above. However, in the system 170 shown in FIGS. 39-42, the first membrane 171 defines an annular recess 172 that is received by a corresponding protrusion 174 of the collet 32. ing. Additionally, first membrane 171 is contoured and received by a correspondingly contoured portion of collet 32. Second membrane 175 also defines an annular recess 176 that is received by a corresponding projection 178 of patient connector 14 . The body portion 104 of the patient connector 14 is defined by an outer portion 180 and an inner portion 182, which may be welded using any suitable method, such as ultrasonic welding, spin welding, laser welding, or the like. They are fixed to each other via a fixing structure.

Referring to FIGS. 43A, 43B, and 44, another embodiment of a syringe adapter 12A is shown. The syringe adapter 12A shown in FIGS. 43A, 43B, and 44 is similar to the syringe adapter 12 shown in FIGS. 1-11 and discussed above. However, the syringe adapter 12A shown in FIGS. 43A, 43B, and 44 does not have a 1 connection interface 36 is provided. Additionally, rather than providing second connection interface 70 on top of collet 32, patient connector 14 includes both collet interface 110 and second connection interface 70. Syringe adapter 12A operates in the same manner as described above in connection with FIGS. 1-26.

45A-45F, further aspects of the collet 32 of FIGS. 9-11 are shown. In FIG. 45A, the locking member 60 of the collet 32 is in the shape of a continuous ring and defines a plurality of cutouts that allow the locking member 60 to expand radially outwardly. It is configured to allow you to do so. In FIG. 45B, locking member 60 is ring-shaped and defines a small slit extending transversely to the longitudinal axis of the collet. In FIG. 45C, the body portion 52 of the collet 32 is secured to a locking member 60 via an extension portion 202 of the body portion 52, and the locking member 60 is ring-shaped and also defines a slit 204. The slit 204 is configured to allow the locking member 60 to expand radially outward. In FIG. 45D, the plurality of arms 62 each include a respective locking member 60, each locking member 60 being formed by an enlarged head portion at the end of the respective arm 62. In FIG. In FIG. 45E, locking member 60 is half-ring shaped. In FIG. 45F, locking member 60 is arcuate and defines a single opening.

Referring to FIG. 46, a further embodiment of the syringe adapter 12 of FIGS. 1-11 is shown. In particular, first membrane 34 is generally sleeve-shaped and is configured to retract upon engagement with patient connector 14 .

Referring to FIG. 47, a further embodiment of the syringe adapter 12 of FIGS. 1-11 is shown. In particular, the first membrane 34 is generally cylindrical in shape and includes convex portions at a first end and a second end of the first membrane 34.

48A-49B, further embodiments of the syringe adapter 12 of FIGS. 1-11 are shown. The syringe adapter 210 shown in FIGS. 48A-49B includes a collet 212 having a pair of resilient buttons 214 that are integrally provided with the collet 212. When the syringe adapter 210 is fully connected and in fluid communication with a mating connector, such as the patient connector 14, the buttons 214 are received by a pair of openings 216 in the housing 16 of the syringe adapter 210; Lock collet 212. Pressing button 214 will allow the mating connector to be released and removed from syringe adapter 210.

50A-51B, rather than providing button 214 on top of collet 212 as shown in FIGS. 48A-49B, an indirect button arrangement may be provided. In particular, the housing 16 of the syringe adapter 210 is provided with a pair of buttons 220 that are configured to be depressed inwardly into the interior space 22 of the syringe adapter 210. Collet 212 includes a resilient button interface portion 222 that supports collet 212 when syringe adapter 210 is fully connected and in fluid communication with a mating connector, such as patient connector 14. Configured to lock. Pressing button 220 causes button interface portion 222 of collet 212 to release, allowing the mating connector to be released and removed from syringe adapter 210.

52-54, further aspects of the collet 32 of FIGS. 9-11 are shown. Specifically, rather than providing a collet formed as a unitary or single molded part, collet 32 may be formed from one or more pieces that are secured together to form collet 32. The multi-piece collet 32 embodiment allows for a variety of membrane configurations, in which the membrane may be installed prior to final assembly of the collet 32. The pieces forming collet 32 may be secured together via any suitable joining method, such as ultrasonic welding, spin welding, laser welding, or the like.

Referring to FIGS. 55A-55G, further embodiments of the first membrane 34 are shown. Among other things, a variety of shapes, configurations, and cavities may be utilized for the first membrane. Further, as shown in FIG. 55G, the first membrane can include an insert 228 positioned within the first membrane 34. The geometries shown in FIGS. 55A-55G can be pushed or pulled into mating components and retained without the need for a secondary assembly process or multi-piece housing. . The embodiment of first membrane 34 shown in FIGS. 55D, 55E, and 55F includes a sealing portion 230 on the top of first membrane 34 that engages the middle portion of cannula 28 during use. and seal.

Referring to FIGS. 56A-56F, further embodiments of the second membrane are shown. Among other things, various shapes, configurations, and cavities may be utilized for the second membrane.

57-60, syringe adapter 12 is shown engaged with vial adapter 240 in use. As shown in FIG. 60, vial adapter 240 includes collet interface 110 and second membrane 114, and second membrane 114 is disposed over patient connector 14. As shown in FIG. Syringe adapter 12 is connected to vial adapter 240 in the same manner that syringe adapter 12 is connected to patient connector 14 as described above. A vial adapter 240 is secured to the vial and provides a collet interface 110 so that the syringe adapter 12 can be placed in fluid communication with the vial, and the vial adapter 240 is secured to the vial so that the syringe adapter 12 can be placed in fluid communication with the vial. To provide a pressure equalizing structure that prevents air from escaping into the environment.

61 and 62, one embodiment of an IV bag adapter 260 is shown. As mentioned above, syringe adapter 12 can be connected to various components typically utilized in closed transfer device systems. IV bag adapter 260 also includes collet interface 110 and second membrane 114, which is provided over patient connector 14 and vial adapter 240. IV bag adapter 260 allows syringe adapter 12 to be placed in fluid communication with an infusion or IV set and includes a spike member 262 having first and second channels 264, 266.

Although this disclosure has been described as having an exemplary design, the disclosure may be further modified within the spirit and scope of the disclosure. This application is therefore intended to cover any variations, uses, or adaptations of the disclosure using its general principles. Moreover, this application is intended to cover any departures from this disclosure that fall within the known or common practice in the art to which this disclosure pertains, which are within the scope of the appended claims.

Claims (14)

A syringe adapter,
a housing having a first end and a second end, the first end being configured to be secured to a first container;
a cannula having a first end and a second end, the second end being positioned within the housing;
a collet having a first end and a second end, at least a portion of the collet being received within the housing;
a main body portion defining a passage;
a locking member connected to the main body of the collet;
a membrane received by a passageway in the body portion, the membrane comprising a body portion defining a membrane passageway;
a collet comprising; and
at least one button provided on the collet;
including;
The collet is movable from a first position in which the locking member is open to receive a mating connector to a second position in which radial outward movement of the locking member is restricted. can be,
when the collet is in the first position, the at least one button is disposed within the housing;
when the collet is in the second position, the at least one button is received by a corresponding opening in the housing, and pressing the at least one button releases the mating connector from the collet. A syringe adapter characterized by: The syringe adapter of claim 1, wherein the at least one button is resilient and integral with the collet. 2. The passageway of claim 1, wherein the passageway of the membrane extends from a first end of the body of the membrane to a second end of the body of the membrane. syringe adapter. 4. The syringe adapter of claim 3, wherein the passageway terminates at a location intermediate the first end and the second end of the body of the membrane. 5. The syringe adapter of claim 4, wherein the membrane includes a first head portion and a second head portion. The first head portion of the membrane is positioned within the passageway of the collet, and the second head portion is engaged with an end of the body of the collet. The syringe adapter according to claim 5. 6. The syringe adapter of claim 5, wherein the first head portion includes a frustoconically shaped surface. 8. The syringe adapter of claim 7, wherein the second head portion includes a convex surface. the first end of the collet defines a counterbore, and the first head portion of the membrane is engaged with the collet and positioned within the counterbore; The syringe adapter according to claim 5, characterized in that: A system for sealed transfer of fluids, the system comprising:
A syringe adapter,
a housing having a first end and a second end, the first end being configured to be secured to a first container;
a cannula having a first end and a second end, the second end being positioned within the housing;
a collet having a first end and a second end, at least a portion of the collet being received within the housing;
a main body portion defining a passage;
a locking member connected to the main body of the collet;
a first membrane including a body portion defining a membrane passageway;
a collet containing;
at least one button provided on the collet;
a second component including a second membrane and a collet interface surface configured to receive and engage the locking member of the collet;
including;
the collet is movable from a first position in which the locking member is open to receive a mating connector to a second position in which radially outward movement of the locking member is restricted;
when the collet is in the first position, the at least one button is disposed within the housing;
releasing the second component from the collet by pressing the at least one button;
The system wherein the at least one button is received by a corresponding opening in the housing when the collet is in the second position. 11. The system of claim 10, wherein the at least one button is resilient and integral with the collet. The second membrane includes a body portion having a first end and a second end, and the first end of the body portion of the second membrane is connected to the body portion of the first membrane. 11. The system of claim 10, having a convex surface configured to engage the second end of the body. The passageway of the first membrane extends from the first end of the body of the first membrane toward the second end of the body of the first membrane. 13. The system of claim 12. 13. The passageway of the first membrane terminates at a location intermediate the first end and the second end of the body of the first membrane. system described in.

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